Combined filter, regulator, and lubricator for the flow of compressed air

- Metal Work S.p.A.
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Description

FIG. 1 is a side elevation view of a combined filter, regulator, and lubricator for the flow of compressed air, showing our new design, the opposite side being a mirror image of that shown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right end elevation view thereof; and

FIG. 5 is a left end elevation view thereof.

Referenced Cited
U.S. Patent Documents
D121574 July 1940 Roselund
D160010 September 1950 Peeps
D234848 April 1975 Vander Horst
D293604 January 5, 1988 Andersson
D295674 May 10, 1988 Ogasawara et al.
4714552 December 22, 1987 Tabor
Other references
  • Black and Decker Advertising Flyer, front side of page, Air Line Package--Air Filter+Air Regulator+Air Lubricator, middle of page.
Patent History
Patent number: D308571
Type: Grant
Filed: Feb 27, 1987
Date of Patent: Jun 12, 1990
Assignee: Metal Work S.p.A. (Concesio)
Inventors: Adriano Albertini (Villa Carcina), Fausto Rodella (Collebeato)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner
Application Number: 7/20,316
Classifications
Current U.S. Class: Filter (D23/365)